Thursday's top stories in 10 minutes

<p> Air quality warnings have been issued for much of southern Ontario.</p><p> More than 170 wildfires are burning across northern Ontario.</p><p> Experts say the number of deaths from extreme heat are difficult to calculate.</p><p> At least 11 people are dead after a fire at an orphanage just outside Algiers.&nbsp;</p><p> US and Iran continue to trade strikes.</p><p> Ukraine President Volodymyr Zelenskyy is being accused of hurting his country's fight against Russia with major cabinet shuffle.</p><p> The Assembly of First Nations wants residential school denialism to be criminalized.&nbsp;</p>